{"nhtsa_id":11020184,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-04","date":"2025-06-06","document_id":"2077982/1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"Exhaust Flap Control Unit - Various DTCs | Bentayga Series | 17-25MY. Technical Background The root cause of Exhaust Flap Control Unit malfunction is electrical ‘shorting’ of the commutator segments, this is caused by an accumulation of “Sludge” within the exhaust flap control unit DTC’s are stored when the respective Control Unit does not move through its full range of motion.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020184-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020184-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020184","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2017,"year_to":2023,"match":"exact","vehicle_ids":["2017_bentley_bentayga","2018_bentley_bentayga","2019_bentley_bentayga","2020_bentley_bentayga","2021_bentley_bentayga","2022_bentley_bentayga","2023_bentley_bentayga"]},{"make":"BENTLEY","model":"BENTAYGA","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_bentley_bentayga"]},{"make":"BENTLEY","model":"redundant BENTAYGA","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}